java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 20:58:04,506 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 20:58:04,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 20:58:04,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 20:58:04,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 20:58:04,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 20:58:04,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 20:58:04,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 20:58:04,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 20:58:04,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 20:58:04,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 20:58:04,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 20:58:04,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 20:58:04,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 20:58:04,557 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 20:58:04,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 20:58:04,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 20:58:04,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 20:58:04,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 20:58:04,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 20:58:04,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 20:58:04,575 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 20:58:04,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 20:58:04,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 20:58:04,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 20:58:04,581 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 20:58:04,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 20:58:04,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 20:58:04,584 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 20:58:04,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 20:58:04,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 20:58:04,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 20:58:04,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 20:58:04,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 20:58:04,589 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 20:58:04,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 20:58:04,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 20:58:04,590 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 20:58:04,590 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 20:58:04,591 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 20:58:04,592 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 20:58:04,593 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 20:58:04,607 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 20:58:04,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 20:58:04,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 20:58:04,608 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 20:58:04,609 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 20:58:04,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 20:58:04,609 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 20:58:04,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 20:58:04,609 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 20:58:04,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 20:58:04,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 20:58:04,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 20:58:04,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 20:58:04,610 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 20:58:04,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 20:58:04,611 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 20:58:04,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 20:58:04,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 20:58:04,611 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 20:58:04,611 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 20:58:04,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 20:58:04,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:58:04,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 20:58:04,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 20:58:04,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 20:58:04,613 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 20:58:04,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 20:58:04,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 20:58:04,613 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 20:58:04,914 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 20:58:04,928 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 20:58:04,931 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 20:58:04,933 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 20:58:04,933 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 20:58:04,934 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i [2019-10-13 20:58:05,013 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/989f1d36b/3d09904d0b05431eb6091b037fb94ba0/FLAG6c55f5783 [2019-10-13 20:58:05,790 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 20:58:05,790 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i [2019-10-13 20:58:05,842 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/989f1d36b/3d09904d0b05431eb6091b037fb94ba0/FLAG6c55f5783 [2019-10-13 20:58:06,357 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/989f1d36b/3d09904d0b05431eb6091b037fb94ba0 [2019-10-13 20:58:06,366 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 20:58:06,367 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 20:58:06,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 20:58:06,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 20:58:06,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 20:58:06,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:58:06" (1/1) ... [2019-10-13 20:58:06,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@445142f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:58:06, skipping insertion in model container [2019-10-13 20:58:06,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:58:06" (1/1) ... [2019-10-13 20:58:06,384 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 20:58:06,511 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 20:58:08,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:58:08,571 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 20:58:08,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:58:09,438 INFO L192 MainTranslator]: Completed translation [2019-10-13 20:58:09,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:58:09 WrapperNode [2019-10-13 20:58:09,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 20:58:09,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 20:58:09,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 20:58:09,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 20:58:09,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:58:09" (1/1) ... [2019-10-13 20:58:09,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:58:09" (1/1) ... [2019-10-13 20:58:09,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:58:09" (1/1) ... [2019-10-13 20:58:09,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:58:09" (1/1) ... [2019-10-13 20:58:09,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:58:09" (1/1) ... [2019-10-13 20:58:09,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:58:09" (1/1) ... [2019-10-13 20:58:09,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:58:09" (1/1) ... [2019-10-13 20:58:09,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 20:58:09,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 20:58:09,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 20:58:09,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 20:58:09,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:58:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:58:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 20:58:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 20:58:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-13 20:58:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-13 20:58:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-13 20:58:09,887 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-13 20:58:09,887 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-13 20:58:09,888 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-13 20:58:09,888 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 20:58:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-13 20:58:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 20:58:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 20:58:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-13 20:58:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-13 20:58:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 20:58:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 20:58:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 20:58:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 20:58:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 20:58:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 20:58:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-13 20:58:09,895 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-13 20:58:09,895 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-13 20:58:09,895 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-13 20:58:09,895 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 20:58:09,897 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-13 20:58:09,897 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-10-13 20:58:09,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 20:58:09,897 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 20:58:09,897 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 20:58:09,897 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-13 20:58:09,898 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-13 20:58:09,898 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-13 20:58:09,898 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2019-10-13 20:58:09,898 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2019-10-13 20:58:09,898 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-10-13 20:58:09,898 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2019-10-13 20:58:09,899 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2019-10-13 20:58:09,899 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2019-10-13 20:58:09,899 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-13 20:58:09,899 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_mark_last_busy [2019-10-13 20:58:09,899 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-13 20:58:09,899 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2019-10-13 20:58:09,899 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2019-10-13 20:58:09,900 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-10-13 20:58:09,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-13 20:58:09,900 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2019-10-13 20:58:09,901 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_find_device [2019-10-13 20:58:09,901 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_find_device_by_minor [2019-10-13 20:58:09,901 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_out_callback [2019-10-13 20:58:09,901 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_in_callback [2019-10-13 20:58:09,901 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_int_callback [2019-10-13 20:58:09,901 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_urbs [2019-10-13 20:58:09,901 INFO L138 BoogieDeclarations]: Found implementation of procedure free_urbs [2019-10-13 20:58:09,902 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 20:58:09,902 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_write [2019-10-13 20:58:09,902 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_wdm_read_flag [2019-10-13 20:58:09,902 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_read [2019-10-13 20:58:09,902 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_flush [2019-10-13 20:58:09,902 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_poll [2019-10-13 20:58:09,902 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_open [2019-10-13 20:58:09,903 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_release [2019-10-13 20:58:09,903 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_ioctl [2019-10-13 20:58:09,903 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_rxwork [2019-10-13 20:58:09,903 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_create [2019-10-13 20:58:09,903 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_manage_power [2019-10-13 20:58:09,904 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_probe [2019-10-13 20:58:09,904 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_cdc_wdm_register [2019-10-13 20:58:09,904 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_disconnect [2019-10-13 20:58:09,904 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_suspend [2019-10-13 20:58:09,904 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_from_urb_loss [2019-10-13 20:58:09,904 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_resume [2019-10-13 20:58:09,904 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_pre_reset [2019-10-13 20:58:09,905 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_post_reset [2019-10-13 20:58:09,905 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_driver_init [2019-10-13 20:58:09,906 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_driver_exit [2019-10-13 20:58:09,906 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-10-13 20:58:09,906 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-10-13 20:58:09,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2019-10-13 20:58:09,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_3 [2019-10-13 20:58:09,906 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-10-13 20:58:09,906 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-10-13 20:58:09,907 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-10-13 20:58:09,907 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-10-13 20:58:09,907 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 20:58:09,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-13 20:58:09,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2019-10-13 20:58:09,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2019-10-13 20:58:09,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2019-10-13 20:58:09,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2019-10-13 20:58:09,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2019-10-13 20:58:09,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-10-13 20:58:09,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-13 20:58:09,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_12 [2019-10-13 20:58:09,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_13 [2019-10-13 20:58:09,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_14 [2019-10-13 20:58:09,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_15 [2019-10-13 20:58:09,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-10-13 20:58:09,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_17 [2019-10-13 20:58:09,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_18 [2019-10-13 20:58:09,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-10-13 20:58:09,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_20 [2019-10-13 20:58:09,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-10-13 20:58:09,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_22 [2019-10-13 20:58:09,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_23 [2019-10-13 20:58:09,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_24 [2019-10-13 20:58:09,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2019-10-13 20:58:09,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2019-10-13 20:58:09,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_27 [2019-10-13 20:58:09,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_28 [2019-10-13 20:58:09,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2019-10-13 20:58:09,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_30 [2019-10-13 20:58:09,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_31 [2019-10-13 20:58:09,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_32 [2019-10-13 20:58:09,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_33 [2019-10-13 20:58:09,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_34 [2019-10-13 20:58:09,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_35 [2019-10-13 20:58:09,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_36 [2019-10-13 20:58:09,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_37 [2019-10-13 20:58:09,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_38 [2019-10-13 20:58:09,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_39 [2019-10-13 20:58:09,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_40 [2019-10-13 20:58:09,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_41 [2019-10-13 20:58:09,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_42 [2019-10-13 20:58:09,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_43 [2019-10-13 20:58:09,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_44 [2019-10-13 20:58:09,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_45 [2019-10-13 20:58:09,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_46 [2019-10-13 20:58:09,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_47 [2019-10-13 20:58:09,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_48 [2019-10-13 20:58:09,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 20:58:09,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-13 20:58:09,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 20:58:09,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 20:58:09,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 20:58:09,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 20:58:09,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-13 20:58:09,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-13 20:58:09,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-13 20:58:09,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-13 20:58:09,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-13 20:58:09,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-13 20:58:09,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-13 20:58:09,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-13 20:58:09,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-13 20:58:09,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-13 20:58:09,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-13 20:58:09,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 20:58:09,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-13 20:58:09,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-13 20:58:09,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-13 20:58:09,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 20:58:09,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-13 20:58:09,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-13 20:58:09,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-10-13 20:58:09,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-10-13 20:58:09,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-10-13 20:58:09,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-10-13 20:58:09,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 20:58:09,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 20:58:09,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 20:58:09,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 20:58:09,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 20:58:09,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 20:58:09,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 20:58:09,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-10-13 20:58:09,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-13 20:58:09,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-13 20:58:09,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-13 20:58:09,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_rlock_of_wdm_device [2019-10-13 20:58:09,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_rlock_of_wdm_device [2019-10-13 20:58:09,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_rlock_of_wdm_device [2019-10-13 20:58:09,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_rlock_of_wdm_device [2019-10-13 20:58:09,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_rlock_of_wdm_device [2019-10-13 20:58:09,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_rlock_of_wdm_device [2019-10-13 20:58:09,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_rlock_of_wdm_device [2019-10-13 20:58:09,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_rlock_of_wdm_device [2019-10-13 20:58:09,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_rlock_of_wdm_device [2019-10-13 20:58:09,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_rlock_of_wdm_device [2019-10-13 20:58:09,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_rlock_of_wdm_device [2019-10-13 20:58:09,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_wdm_mutex [2019-10-13 20:58:09,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_wdm_mutex [2019-10-13 20:58:09,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wdm_mutex [2019-10-13 20:58:09,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_wdm_mutex [2019-10-13 20:58:09,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_wdm_mutex [2019-10-13 20:58:09,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_wdm_mutex [2019-10-13 20:58:09,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wdm_mutex [2019-10-13 20:58:09,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_wdm_mutex [2019-10-13 20:58:09,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_wdm_mutex [2019-10-13 20:58:09,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_wdm_mutex [2019-10-13 20:58:09,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_wdm_mutex [2019-10-13 20:58:09,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_wlock_of_wdm_device [2019-10-13 20:58:09,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_wlock_of_wdm_device [2019-10-13 20:58:09,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wlock_of_wdm_device [2019-10-13 20:58:09,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_wlock_of_wdm_device [2019-10-13 20:58:09,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_wlock_of_wdm_device [2019-10-13 20:58:09,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_wlock_of_wdm_device [2019-10-13 20:58:09,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wlock_of_wdm_device [2019-10-13 20:58:09,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_wlock_of_wdm_device [2019-10-13 20:58:09,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_wlock_of_wdm_device [2019-10-13 20:58:09,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_wlock_of_wdm_device [2019-10-13 20:58:09,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_wlock_of_wdm_device [2019-10-13 20:58:09,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 20:58:09,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-13 20:58:09,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-13 20:58:09,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-13 20:58:09,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-13 20:58:09,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-13 20:58:09,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-13 20:58:09,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-13 20:58:09,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-13 20:58:09,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-10-13 20:58:09,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-13 20:58:09,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 20:58:09,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-13 20:58:09,926 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-13 20:58:09,926 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-13 20:58:09,926 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-13 20:58:09,926 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-13 20:58:09,927 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-13 20:58:09,927 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-13 20:58:09,927 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-13 20:58:09,927 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-13 20:58:09,927 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 20:58:09,927 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-10-13 20:58:09,927 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-13 20:58:09,927 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-13 20:58:09,928 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-10-13 20:58:09,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 20:58:09,928 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-13 20:58:09,928 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-13 20:58:09,928 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-13 20:58:09,928 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-10-13 20:58:09,929 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-13 20:58:09,929 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 20:58:09,929 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2019-10-13 20:58:09,929 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-10-13 20:58:09,929 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-10-13 20:58:09,929 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-13 20:58:09,929 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-13 20:58:09,930 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-13 20:58:09,930 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2019-10-13 20:58:09,930 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2019-10-13 20:58:09,930 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-13 20:58:09,930 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2019-10-13 20:58:09,930 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-13 20:58:09,930 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-13 20:58:09,931 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2019-10-13 20:58:09,931 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-13 20:58:09,931 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-13 20:58:09,931 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 20:58:09,931 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 20:58:09,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 20:58:09,932 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 20:58:09,932 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2019-10-13 20:58:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 20:58:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 20:58:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-13 20:58:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-13 20:58:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-13 20:58:09,933 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-13 20:58:09,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 20:58:09,933 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-13 20:58:09,933 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-13 20:58:09,933 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-10-13 20:58:09,933 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-13 20:58:09,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 20:58:09,934 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 20:58:09,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 20:58:09,934 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-13 20:58:09,934 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-13 20:58:09,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 20:58:09,934 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-13 20:58:09,934 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 20:58:09,935 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2019-10-13 20:58:09,935 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-13 20:58:09,935 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-13 20:58:09,935 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-13 20:58:09,935 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-13 20:58:09,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_15 [2019-10-13 20:58:09,935 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 20:58:09,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-13 20:58:09,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_12 [2019-10-13 20:58:09,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-10-13 20:58:09,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_18 [2019-10-13 20:58:09,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-10-13 20:58:09,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-10-13 20:58:09,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_24 [2019-10-13 20:58:09,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2019-10-13 20:58:09,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_28 [2019-10-13 20:58:09,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2019-10-13 20:58:09,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_34 [2019-10-13 20:58:09,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_35 [2019-10-13 20:58:09,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_36 [2019-10-13 20:58:09,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_40 [2019-10-13 20:58:09,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_41 [2019-10-13 20:58:09,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_45 [2019-10-13 20:58:09,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_46 [2019-10-13 20:58:09,938 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 20:58:09,938 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 20:58:09,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 20:58:09,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 20:58:09,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 20:58:09,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 20:58:09,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 20:58:09,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 20:58:09,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 20:58:09,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 20:58:09,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-13 20:58:09,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-13 20:58:09,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 20:58:09,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 20:58:09,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 20:58:09,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 20:58:09,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 20:58:09,941 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-10-13 20:58:09,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_17 [2019-10-13 20:58:09,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_20 [2019-10-13 20:58:09,941 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-13 20:58:09,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-10-13 20:58:09,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_13 [2019-10-13 20:58:09,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_14 [2019-10-13 20:58:09,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_22 [2019-10-13 20:58:09,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_23 [2019-10-13 20:58:09,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2019-10-13 20:58:09,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_27 [2019-10-13 20:58:09,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_30 [2019-10-13 20:58:09,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_31 [2019-10-13 20:58:09,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_32 [2019-10-13 20:58:09,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_37 [2019-10-13 20:58:09,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_38 [2019-10-13 20:58:09,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_42 [2019-10-13 20:58:09,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_43 [2019-10-13 20:58:09,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-13 20:58:09,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-13 20:58:09,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-13 20:58:09,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-13 20:58:09,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 20:58:09,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 20:58:09,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 20:58:09,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_rlock_of_wdm_device [2019-10-13 20:58:09,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_rlock_of_wdm_device [2019-10-13 20:58:09,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_rlock_of_wdm_device [2019-10-13 20:58:09,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wdm_mutex [2019-10-13 20:58:09,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wdm_mutex [2019-10-13 20:58:09,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_wlock_of_wdm_device [2019-10-13 20:58:09,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wlock_of_wdm_device [2019-10-13 20:58:09,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wlock_of_wdm_device [2019-10-13 20:58:09,945 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 20:58:09,945 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-13 20:58:09,945 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-13 20:58:09,945 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-13 20:58:09,945 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-13 20:58:09,945 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-13 20:58:09,946 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 20:58:09,946 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 20:58:09,946 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-13 20:58:09,946 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-13 20:58:09,946 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-13 20:58:09,946 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-13 20:58:09,946 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 20:58:09,947 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-13 20:58:09,947 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-13 20:58:09,947 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-10-13 20:58:09,947 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-13 20:58:09,947 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-13 20:58:09,947 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-13 20:58:09,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2019-10-13 20:58:09,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2019-10-13 20:58:09,948 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-10-13 20:58:09,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2019-10-13 20:58:09,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2019-10-13 20:58:09,948 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-10-13 20:58:09,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2019-10-13 20:58:09,948 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-10-13 20:58:09,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_33 [2019-10-13 20:58:09,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_39 [2019-10-13 20:58:09,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_44 [2019-10-13 20:58:09,949 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-13 20:58:09,949 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-10-13 20:58:09,949 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-13 20:58:09,949 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 20:58:09,949 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 20:58:09,949 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 20:58:09,949 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 20:58:09,950 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-10-13 20:58:09,950 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-10-13 20:58:09,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2019-10-13 20:58:09,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_3 [2019-10-13 20:58:09,950 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-10-13 20:58:09,950 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-10-13 20:58:09,951 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-10-13 20:58:09,951 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-10-13 20:58:09,951 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-13 20:58:09,951 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-13 20:58:09,951 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-13 20:58:09,951 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-13 20:58:09,951 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-13 20:58:09,952 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-13 20:58:09,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 20:58:09,952 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-13 20:58:09,952 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2019-10-13 20:58:09,952 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-10-13 20:58:09,952 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2019-10-13 20:58:09,953 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-13 20:58:09,953 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-10-13 20:58:09,953 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2019-10-13 20:58:09,953 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2019-10-13 20:58:09,953 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2019-10-13 20:58:09,953 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-13 20:58:09,953 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-13 20:58:09,954 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-13 20:58:09,954 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_mark_last_busy [2019-10-13 20:58:09,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 20:58:09,954 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-13 20:58:09,954 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2019-10-13 20:58:09,954 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2019-10-13 20:58:09,954 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2019-10-13 20:58:09,955 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-13 20:58:09,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_47 [2019-10-13 20:58:09,955 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-13 20:58:09,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_48 [2019-10-13 20:58:09,955 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2019-10-13 20:58:09,955 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2019-10-13 20:58:09,955 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2019-10-13 20:58:09,955 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-10-13 20:58:09,956 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-13 20:58:09,956 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-13 20:58:09,956 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-13 20:58:09,956 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-13 20:58:09,956 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-13 20:58:09,956 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2019-10-13 20:58:09,956 INFO L130 BoogieDeclarations]: Found specification of procedure usb_cdc_wdm_register [2019-10-13 20:58:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_find_device [2019-10-13 20:58:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_find_device_by_minor [2019-10-13 20:58:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_out_callback [2019-10-13 20:58:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_in_callback [2019-10-13 20:58:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2019-10-13 20:58:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 20:58:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_int_callback [2019-10-13 20:58:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure kill_urbs [2019-10-13 20:58:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure free_urbs [2019-10-13 20:58:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 20:58:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_write [2019-10-13 20:58:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure clear_wdm_read_flag [2019-10-13 20:58:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_read [2019-10-13 20:58:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_flush [2019-10-13 20:58:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_poll [2019-10-13 20:58:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_open [2019-10-13 20:58:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-13 20:58:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_release [2019-10-13 20:58:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_ioctl [2019-10-13 20:58:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_rxwork [2019-10-13 20:58:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_create [2019-10-13 20:58:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_manage_power [2019-10-13 20:58:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_probe [2019-10-13 20:58:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_disconnect [2019-10-13 20:58:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_suspend [2019-10-13 20:58:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure recover_from_urb_loss [2019-10-13 20:58:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_resume [2019-10-13 20:58:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_pre_reset [2019-10-13 20:58:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_post_reset [2019-10-13 20:58:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_driver_init [2019-10-13 20:58:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_driver_exit [2019-10-13 20:58:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 20:58:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 20:58:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 20:58:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 20:58:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-13 20:58:09,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 20:58:09,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 20:58:09,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 20:58:09,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-13 20:58:09,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-13 20:58:09,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-13 20:58:09,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-13 20:58:09,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-13 20:58:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-13 20:58:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-13 20:58:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-13 20:58:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-13 20:58:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 20:58:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-13 20:58:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-13 20:58:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 20:58:09,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-13 20:58:09,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-10-13 20:58:09,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-10-13 20:58:09,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-10-13 20:58:09,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-10-13 20:58:09,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 20:58:09,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 20:58:09,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 20:58:09,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 20:58:09,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-10-13 20:58:09,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-13 20:58:09,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-13 20:58:09,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-13 20:58:09,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_rlock_of_wdm_device [2019-10-13 20:58:09,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_rlock_of_wdm_device [2019-10-13 20:58:09,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_rlock_of_wdm_device [2019-10-13 20:58:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_rlock_of_wdm_device [2019-10-13 20:58:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_rlock_of_wdm_device [2019-10-13 20:58:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_rlock_of_wdm_device [2019-10-13 20:58:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_rlock_of_wdm_device [2019-10-13 20:58:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_rlock_of_wdm_device [2019-10-13 20:58:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_wdm_mutex [2019-10-13 20:58:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_wdm_mutex [2019-10-13 20:58:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_wdm_mutex [2019-10-13 20:58:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_wdm_mutex [2019-10-13 20:58:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_wdm_mutex [2019-10-13 20:58:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_wdm_mutex [2019-10-13 20:58:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_wdm_mutex [2019-10-13 20:58:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_wdm_mutex [2019-10-13 20:58:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_wdm_mutex [2019-10-13 20:58:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_wlock_of_wdm_device [2019-10-13 20:58:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_wlock_of_wdm_device [2019-10-13 20:58:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_wlock_of_wdm_device [2019-10-13 20:58:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_wlock_of_wdm_device [2019-10-13 20:58:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_wlock_of_wdm_device [2019-10-13 20:58:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_wlock_of_wdm_device [2019-10-13 20:58:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_wlock_of_wdm_device [2019-10-13 20:58:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_wlock_of_wdm_device [2019-10-13 20:58:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-13 20:58:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-13 20:58:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 20:58:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 20:58:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 20:58:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 20:58:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 20:58:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 20:58:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 20:58:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 20:58:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 20:58:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 20:58:11,076 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 20:58:20,959 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 20:58:20,959 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 20:58:20,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:58:20 BoogieIcfgContainer [2019-10-13 20:58:20,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 20:58:20,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 20:58:20,964 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 20:58:20,967 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 20:58:20,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:58:06" (1/3) ... [2019-10-13 20:58:20,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc47111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:58:20, skipping insertion in model container [2019-10-13 20:58:20,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:58:09" (2/3) ... [2019-10-13 20:58:20,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc47111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:58:20, skipping insertion in model container [2019-10-13 20:58:20,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:58:20" (3/3) ... [2019-10-13 20:58:20,972 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i [2019-10-13 20:58:20,986 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 20:58:21,003 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 20:58:21,016 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 20:58:21,060 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 20:58:21,060 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 20:58:21,060 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 20:58:21,060 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 20:58:21,061 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 20:58:21,061 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 20:58:21,061 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 20:58:21,061 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 20:58:21,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states. [2019-10-13 20:58:21,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-10-13 20:58:21,141 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:58:21,143 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:58:21,145 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:58:21,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:58:21,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1178834190, now seen corresponding path program 1 times [2019-10-13 20:58:21,165 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:58:21,166 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45060996] [2019-10-13 20:58:21,166 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:21,166 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:21,166 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:58:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:58:22,193 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2019-10-13 20:58:22,194 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45060996] [2019-10-13 20:58:22,195 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:58:22,196 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:58:22,254 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075675350] [2019-10-13 20:58:22,265 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:58:22,266 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:58:22,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:58:22,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:58:22,286 INFO L87 Difference]: Start difference. First operand 1809 states. Second operand 3 states. [2019-10-13 20:58:22,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:58:22,840 INFO L93 Difference]: Finished difference Result 3347 states and 4465 transitions. [2019-10-13 20:58:22,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:58:22,842 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 205 [2019-10-13 20:58:22,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:58:22,875 INFO L225 Difference]: With dead ends: 3347 [2019-10-13 20:58:22,876 INFO L226 Difference]: Without dead ends: 2037 [2019-10-13 20:58:22,892 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:58:22,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2037 states. [2019-10-13 20:58:23,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2037 to 2003. [2019-10-13 20:58:23,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2003 states. [2019-10-13 20:58:23,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2003 states to 2003 states and 2585 transitions. [2019-10-13 20:58:23,149 INFO L78 Accepts]: Start accepts. Automaton has 2003 states and 2585 transitions. Word has length 205 [2019-10-13 20:58:23,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:58:23,152 INFO L462 AbstractCegarLoop]: Abstraction has 2003 states and 2585 transitions. [2019-10-13 20:58:23,152 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:58:23,153 INFO L276 IsEmpty]: Start isEmpty. Operand 2003 states and 2585 transitions. [2019-10-13 20:58:23,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-10-13 20:58:23,164 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:58:23,164 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:58:23,165 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:58:23,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:58:23,165 INFO L82 PathProgramCache]: Analyzing trace with hash -1332356049, now seen corresponding path program 1 times [2019-10-13 20:58:23,166 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:58:23,166 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843930180] [2019-10-13 20:58:23,166 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:23,166 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:23,166 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:58:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:58:23,654 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2019-10-13 20:58:23,655 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843930180] [2019-10-13 20:58:23,655 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:58:23,655 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:58:23,655 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139689368] [2019-10-13 20:58:23,658 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:58:23,659 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:58:23,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:58:23,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:58:23,660 INFO L87 Difference]: Start difference. First operand 2003 states and 2585 transitions. Second operand 3 states. [2019-10-13 20:58:26,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:58:26,189 INFO L93 Difference]: Finished difference Result 5818 states and 7520 transitions. [2019-10-13 20:58:26,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:58:26,190 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2019-10-13 20:58:26,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:58:26,223 INFO L225 Difference]: With dead ends: 5818 [2019-10-13 20:58:26,223 INFO L226 Difference]: Without dead ends: 3870 [2019-10-13 20:58:26,236 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:58:26,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3870 states. [2019-10-13 20:58:26,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3870 to 3860. [2019-10-13 20:58:26,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3860 states. [2019-10-13 20:58:26,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3860 states to 3860 states and 4991 transitions. [2019-10-13 20:58:26,451 INFO L78 Accepts]: Start accepts. Automaton has 3860 states and 4991 transitions. Word has length 206 [2019-10-13 20:58:26,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:58:26,451 INFO L462 AbstractCegarLoop]: Abstraction has 3860 states and 4991 transitions. [2019-10-13 20:58:26,452 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:58:26,452 INFO L276 IsEmpty]: Start isEmpty. Operand 3860 states and 4991 transitions. [2019-10-13 20:58:26,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-10-13 20:58:26,458 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:58:26,459 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:58:26,459 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:58:26,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:58:26,459 INFO L82 PathProgramCache]: Analyzing trace with hash 98450544, now seen corresponding path program 1 times [2019-10-13 20:58:26,460 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:58:26,460 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676655869] [2019-10-13 20:58:26,460 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:26,460 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:26,460 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:58:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:58:26,904 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2019-10-13 20:58:26,904 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676655869] [2019-10-13 20:58:26,905 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:58:26,905 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:58:26,905 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903440369] [2019-10-13 20:58:26,906 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:58:26,907 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:58:26,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:58:26,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:58:26,908 INFO L87 Difference]: Start difference. First operand 3860 states and 4991 transitions. Second operand 3 states. [2019-10-13 20:58:27,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:58:27,670 INFO L93 Difference]: Finished difference Result 9547 states and 12368 transitions. [2019-10-13 20:58:27,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:58:27,671 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 232 [2019-10-13 20:58:27,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:58:27,733 INFO L225 Difference]: With dead ends: 9547 [2019-10-13 20:58:27,733 INFO L226 Difference]: Without dead ends: 5750 [2019-10-13 20:58:27,757 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:58:27,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5750 states. [2019-10-13 20:58:28,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5750 to 5700. [2019-10-13 20:58:28,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5700 states. [2019-10-13 20:58:28,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5700 states to 5700 states and 7391 transitions. [2019-10-13 20:58:28,152 INFO L78 Accepts]: Start accepts. Automaton has 5700 states and 7391 transitions. Word has length 232 [2019-10-13 20:58:28,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:58:28,153 INFO L462 AbstractCegarLoop]: Abstraction has 5700 states and 7391 transitions. [2019-10-13 20:58:28,153 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:58:28,154 INFO L276 IsEmpty]: Start isEmpty. Operand 5700 states and 7391 transitions. [2019-10-13 20:58:28,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-10-13 20:58:28,157 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:58:28,158 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:58:28,158 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:58:28,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:58:28,158 INFO L82 PathProgramCache]: Analyzing trace with hash -1059470515, now seen corresponding path program 1 times [2019-10-13 20:58:28,160 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:58:28,160 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761705637] [2019-10-13 20:58:28,160 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:28,160 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:28,160 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:58:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:58:28,590 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2019-10-13 20:58:28,591 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761705637] [2019-10-13 20:58:28,591 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:58:28,591 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:58:28,591 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333070778] [2019-10-13 20:58:28,592 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:58:28,592 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:58:28,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:58:28,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:58:28,593 INFO L87 Difference]: Start difference. First operand 5700 states and 7391 transitions. Second operand 3 states. [2019-10-13 20:58:28,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:58:28,772 INFO L93 Difference]: Finished difference Result 5702 states and 7392 transitions. [2019-10-13 20:58:28,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:58:28,773 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 226 [2019-10-13 20:58:28,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:58:28,820 INFO L225 Difference]: With dead ends: 5702 [2019-10-13 20:58:28,820 INFO L226 Difference]: Without dead ends: 5699 [2019-10-13 20:58:28,826 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:58:28,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5699 states. [2019-10-13 20:58:29,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5699 to 5699. [2019-10-13 20:58:29,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5699 states. [2019-10-13 20:58:29,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5699 states to 5699 states and 7389 transitions. [2019-10-13 20:58:29,175 INFO L78 Accepts]: Start accepts. Automaton has 5699 states and 7389 transitions. Word has length 226 [2019-10-13 20:58:29,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:58:29,176 INFO L462 AbstractCegarLoop]: Abstraction has 5699 states and 7389 transitions. [2019-10-13 20:58:29,176 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:58:29,176 INFO L276 IsEmpty]: Start isEmpty. Operand 5699 states and 7389 transitions. [2019-10-13 20:58:29,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2019-10-13 20:58:29,181 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:58:29,182 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:58:29,182 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:58:29,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:58:29,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1515212169, now seen corresponding path program 1 times [2019-10-13 20:58:29,183 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:58:29,183 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087295289] [2019-10-13 20:58:29,183 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:29,183 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:29,184 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:58:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:58:29,711 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2019-10-13 20:58:29,711 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087295289] [2019-10-13 20:58:29,712 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:58:29,712 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:58:29,712 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014666231] [2019-10-13 20:58:29,713 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:58:29,713 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:58:29,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:58:29,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:58:29,714 INFO L87 Difference]: Start difference. First operand 5699 states and 7389 transitions. Second operand 3 states. [2019-10-13 20:58:29,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:58:29,853 INFO L93 Difference]: Finished difference Result 5701 states and 7390 transitions. [2019-10-13 20:58:29,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:58:29,854 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 227 [2019-10-13 20:58:29,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:58:29,887 INFO L225 Difference]: With dead ends: 5701 [2019-10-13 20:58:29,887 INFO L226 Difference]: Without dead ends: 5698 [2019-10-13 20:58:29,892 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:58:29,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5698 states. [2019-10-13 20:58:30,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5698 to 5698. [2019-10-13 20:58:30,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5698 states. [2019-10-13 20:58:30,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5698 states to 5698 states and 7387 transitions. [2019-10-13 20:58:30,202 INFO L78 Accepts]: Start accepts. Automaton has 5698 states and 7387 transitions. Word has length 227 [2019-10-13 20:58:30,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:58:30,203 INFO L462 AbstractCegarLoop]: Abstraction has 5698 states and 7387 transitions. [2019-10-13 20:58:30,203 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:58:30,203 INFO L276 IsEmpty]: Start isEmpty. Operand 5698 states and 7387 transitions. [2019-10-13 20:58:30,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-10-13 20:58:30,207 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:58:30,208 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:58:30,208 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:58:30,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:58:30,209 INFO L82 PathProgramCache]: Analyzing trace with hash -273998384, now seen corresponding path program 1 times [2019-10-13 20:58:30,214 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:58:30,215 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558926000] [2019-10-13 20:58:30,215 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:30,216 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:30,216 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:58:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:58:30,611 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2019-10-13 20:58:30,611 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558926000] [2019-10-13 20:58:30,612 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:58:30,612 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:58:30,612 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490305043] [2019-10-13 20:58:30,612 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:58:30,613 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:58:30,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:58:30,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:58:30,613 INFO L87 Difference]: Start difference. First operand 5698 states and 7387 transitions. Second operand 3 states. [2019-10-13 20:58:30,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:58:30,808 INFO L93 Difference]: Finished difference Result 5700 states and 7388 transitions. [2019-10-13 20:58:30,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:58:30,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 228 [2019-10-13 20:58:30,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:58:30,868 INFO L225 Difference]: With dead ends: 5700 [2019-10-13 20:58:30,869 INFO L226 Difference]: Without dead ends: 5697 [2019-10-13 20:58:30,874 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:58:30,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5697 states. [2019-10-13 20:58:31,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5697 to 5697. [2019-10-13 20:58:31,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5697 states. [2019-10-13 20:58:31,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5697 states to 5697 states and 7385 transitions. [2019-10-13 20:58:31,363 INFO L78 Accepts]: Start accepts. Automaton has 5697 states and 7385 transitions. Word has length 228 [2019-10-13 20:58:31,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:58:31,363 INFO L462 AbstractCegarLoop]: Abstraction has 5697 states and 7385 transitions. [2019-10-13 20:58:31,363 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:58:31,364 INFO L276 IsEmpty]: Start isEmpty. Operand 5697 states and 7385 transitions. [2019-10-13 20:58:31,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-10-13 20:58:31,368 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:58:31,369 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:58:31,369 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:58:31,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:58:31,370 INFO L82 PathProgramCache]: Analyzing trace with hash 95054188, now seen corresponding path program 1 times [2019-10-13 20:58:31,370 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:58:31,370 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923832382] [2019-10-13 20:58:31,370 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:31,371 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:31,371 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:58:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:58:31,809 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2019-10-13 20:58:31,810 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923832382] [2019-10-13 20:58:31,810 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:58:31,810 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:58:31,811 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121779140] [2019-10-13 20:58:31,812 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:58:31,813 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:58:31,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:58:31,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:58:31,814 INFO L87 Difference]: Start difference. First operand 5697 states and 7385 transitions. Second operand 3 states. [2019-10-13 20:58:32,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:58:32,246 INFO L93 Difference]: Finished difference Result 16628 states and 21631 transitions. [2019-10-13 20:58:32,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:58:32,246 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 229 [2019-10-13 20:58:32,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:58:32,327 INFO L225 Difference]: With dead ends: 16628 [2019-10-13 20:58:32,328 INFO L226 Difference]: Without dead ends: 10994 [2019-10-13 20:58:32,360 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:58:32,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10994 states. [2019-10-13 20:58:32,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10994 to 10946. [2019-10-13 20:58:32,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10946 states. [2019-10-13 20:58:32,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10946 states to 10946 states and 14231 transitions. [2019-10-13 20:58:32,916 INFO L78 Accepts]: Start accepts. Automaton has 10946 states and 14231 transitions. Word has length 229 [2019-10-13 20:58:32,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:58:32,918 INFO L462 AbstractCegarLoop]: Abstraction has 10946 states and 14231 transitions. [2019-10-13 20:58:32,918 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:58:32,918 INFO L276 IsEmpty]: Start isEmpty. Operand 10946 states and 14231 transitions. [2019-10-13 20:58:32,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2019-10-13 20:58:32,921 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:58:32,922 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:58:32,922 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:58:32,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:58:32,922 INFO L82 PathProgramCache]: Analyzing trace with hash -1349213101, now seen corresponding path program 1 times [2019-10-13 20:58:32,923 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:58:32,923 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159138058] [2019-10-13 20:58:32,923 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:32,923 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:32,923 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:58:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:58:34,214 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2019-10-13 20:58:34,214 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159138058] [2019-10-13 20:58:34,215 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:58:34,215 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:58:34,215 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597702312] [2019-10-13 20:58:34,217 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:58:34,218 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:58:34,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:58:34,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:58:34,218 INFO L87 Difference]: Start difference. First operand 10946 states and 14231 transitions. Second operand 3 states. [2019-10-13 20:58:34,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:58:34,635 INFO L93 Difference]: Finished difference Result 12006 states and 15237 transitions. [2019-10-13 20:58:34,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:58:34,636 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 230 [2019-10-13 20:58:34,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:58:34,692 INFO L225 Difference]: With dead ends: 12006 [2019-10-13 20:58:34,692 INFO L226 Difference]: Without dead ends: 12002 [2019-10-13 20:58:34,701 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:58:34,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12002 states. [2019-10-13 20:58:35,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12002 to 11996. [2019-10-13 20:58:35,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11996 states. [2019-10-13 20:58:35,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11996 states to 11996 states and 15216 transitions. [2019-10-13 20:58:35,292 INFO L78 Accepts]: Start accepts. Automaton has 11996 states and 15216 transitions. Word has length 230 [2019-10-13 20:58:35,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:58:35,293 INFO L462 AbstractCegarLoop]: Abstraction has 11996 states and 15216 transitions. [2019-10-13 20:58:35,293 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:58:35,293 INFO L276 IsEmpty]: Start isEmpty. Operand 11996 states and 15216 transitions. [2019-10-13 20:58:35,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-10-13 20:58:35,296 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:58:35,297 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:58:35,297 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:58:35,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:58:35,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1123146063, now seen corresponding path program 1 times [2019-10-13 20:58:35,298 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:58:35,298 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390053372] [2019-10-13 20:58:35,298 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:35,298 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:35,298 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:58:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:58:35,907 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2019-10-13 20:58:35,908 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390053372] [2019-10-13 20:58:35,908 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:58:35,909 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:58:35,909 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731881037] [2019-10-13 20:58:35,910 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:58:35,910 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:58:35,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:58:35,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:58:35,911 INFO L87 Difference]: Start difference. First operand 11996 states and 15216 transitions. Second operand 3 states. [2019-10-13 20:58:36,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:58:36,719 INFO L93 Difference]: Finished difference Result 33954 states and 43396 transitions. [2019-10-13 20:58:36,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:58:36,720 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 231 [2019-10-13 20:58:36,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:58:36,838 INFO L225 Difference]: With dead ends: 33954 [2019-10-13 20:58:36,838 INFO L226 Difference]: Without dead ends: 22001 [2019-10-13 20:58:36,905 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:58:36,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22001 states.